EXPLANATION: It is estimated that 25% of world's lumber harvest goes to paper production. World consumption of paper has grown by 400 percent in the last 40 years. Nearly 4 billion trees are cut around the world to be used in the paper industry on every continent.The first paper like substance was invented by Egyptians over 6,000 years ago and is known as Papyrus. Today, the world consumes about 300 million tonnes of paper each year. The United States of America uses 30% of all paper.
